<template>
    <div class="shopcar-container">

        <div class="goods-list">
            <!-- 商品列表区域 -->
            <div class="mui-card" v-for="(item, i) in goodlist" :key="item.id">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner">

                        <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
                                   @change="selectedChanged(item.id, $store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.thumb_path" alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p>
                                <span class="price">￥{{ item.sell_price }}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <!-- 问题：如何从购物车中获取商品的数量呢 -->
                                <!-- 1.可以先创建一个空对象,然后循环购物车所有商品数据,把商品id作为对象的属性名
                                         商品count值作为对象的属性值   { 60:2, 61:1, 62:3 } -->
                                <a href="#" @click.prevent="delGoods(item.id, i)">删除{{ $store.getters.getGoodsCount[item.id] }}</a>
                            </p>
                        </div>

                    </div>
                </div>
            </div>

            <!-- 结算区域 -->
            <div class="mui-card">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner jiesuan">
                        <div class="left">
                            <p>总计（不含运费）</p>
                            <p>已勾选商品 <span>{{ $store.getters.getGoodsCountAndAmount.count }}</span> 件，
                                总价 ￥<span>{{ $store.getters.getGoodsCountAndAmount.amount }}</span></p>
                        </div>

                        <mt-button type="danger">去结算</mt-button>
                    </div>
                </div>
            </div>
        </div>

        {{ $store.getters.getGoodsSelected }}

    </div>
</template>

<script>
    import numbox from '../subcomponents/shopcar_numbox.vue'

    export default {
        data(){
            return {
                goodlist: [
                    { cou: 1, id: 60, title: '华为（HUAWEI）', sell_price: 2195, thumb_path: '../../images/m1.jpg'},
                    { cou: 1, id: 61, title: '苹果4s', sell_price: 1666, thumb_path: '../../images/m2.jpg'},
                    { cou: 1, id: 62, title: '小米（MUI）', sell_price: 999, thumb_path: '../../images/m1.jpg'},
                ]
            }
        },
        created(){
            this.getGoodsList();
        },
        methods:{
            getGoodsList(){ //获取购物车商品列表
                //1.获取到 store 中所有的商品id,然后拼接出一个用逗号分隔的字符串
                // var idArr = [];
                // this.$store.state.car.forEach(item => {
                //     idArr.push(item.id)
                // });
                // //如果购物车中没有商品,则直接返回,不需要请求数据接口
                // if(idArr.length<=0){
                //     return;
                // }
                // this.$http.get('api/goods/getshopcarlist/'+idArr.join(',')).then(result => {
                //     if(result.body.status === 0){
                //         this.goodlist = result.body.message
                //     }
                // })
            },
            delGoods(id, index){
                //点击删除,把商品从store中根据传递的Id删除,同时把当前组件中goodslist对应的那个商品,使用index来删除
                this.goodlist.splice(index, 1); //根据索引 删除一个
                console.log(id);
                this.$store.commit('DelGoodsInfo', id);
            },
            selectedChanged(id, val){
                //每当点击开关,把最新的开关状态,同步到store中
                console.log(id+ '---' +val);
                this.$store.commit('UpdateGoodsSelected', {id: id, selected: val});
            },

        },
        components:{
            numbox
        }
    }
</script>

<style lang="less" scoped>
    .shopcar-container{
        background-color: #eeeeee;
        overflow: hidden;
        .goods-list{
            .mui-card-content-inner{
                align-items: center;
                display: flex;
                justify-content: space-between;
                img{
                    width: 60px;
                    height: 60px;
                }
                .info{
                    h1{
                        font-size: 13px;
                    }
                    p{
                        margin: 10px 0 0;
                    }
                    .price{
                        color: crimson;
                        font-weight: bold;
                    }
                }

            }
            .jiesuan{
                display: flex;
                align-items: center;
                justify-content: space-between;
                span{
                    color: crimson;
                    font-weight: bold;
                    font-size: 16px;
                }
            }
        }
    }
</style>